A meeting of Westminster City Council's venerable planning applications sub-committee last week included heated debate about air-conditioning units. One case in particular left chairman Robert Davis confused. 'I don't see how you need 24-hour cooling for computer equipment. I have computer equipment and I don't need 24-hour cooling.' In leapt councillor Tim Mitchell, who, as a computer consultant in his spare time, understood that large equipment did need to be kept constantly cool. This provided a prime opportunity for Davis to exercise his wit, with the innuendo: 'Are you saying I've got a small office?' In response, and in a style that would have done Kenneth Williams proud, Mitchell came in for the kill: 'I wouldn't know, councillor.' Inspiring.